Personal data such as photos, family videos, documents such as ones related to education, career, investments etc. need to be backed up and kept ready in case you need them.

You collect a lot of data over a period of time, most of it may not be useful. You need to identify:

The most economical way to backup your information is to copy it to an external hard drive or a DVD. This process is manual and is prone to missed schedules which in turn leads to loss of information in case your PC were to crash.

There are several backup software available in the market.

Considering most of the individual users own either an android phone or an apple product, it is recommended to use either Google backup & Sync or iCloud for windows to backup data on your PC so that all your data is organized in one place.